Baby Einstein is a line of multimedia products and toys that specialize in interactive activities for preschool viewers aged 4 years old and younger. Subjects music, art, language, science, and mathematics are prominently explored. These products are currently made by a division of the Walt Disney Company,Baby Einstein Complete Series marketed under the slogan, "Great minds start little". The Baby Einstein Company pays a significant amount of money to Corbis, on behalf of the estate of renowned physicist Albert Einstein, for the use of the Einstein name,Baby Einstein Complete Series DVD though the products have virtually nothing to do with Einstein or his work (however, Disney uses a disclaimer that Einstein is a trademark of The Hebrew University of Jerusalem).